The temperature on January 11, 1922 was between 0.3 °C and 7.0 °C and averaged 4.2 °C. There was 1.7 mm of rain. There was 0.7 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 6 » The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy.
April 16 » The Treaty of Rapallo, pursuant to which Germany and the Soviet Union re-establish diplomatic relations, is signed.
June 28 » The Irish Civil War begins with the shelling of the Four Courts in Dublin by Free State forces.
November 14 » The British Broadcasting Company begins radio service in the United Kingdom.
December 6 » One year to the day after the signing of the Anglo-Irish Treaty, the Irish Free State comes into existence.
Day of death May 6, 1997
The temperature on May 6, 1997 was between 2.4 °C and 12.0 °C and averaged 6.7 °C. There was 17.0 mm of rain during 9.5 hours. There was 1.8 hours of sunshine (12%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
April 13 » Tiger Woods becomes the youngest golfer to win the Masters Tournament.
June 10 » Before fleeing his northern stronghold, Khmer Rouge leader Pol Pot orders the killing of his defense chief Son Sen and 11 of Sen's family members.
June 13 » A jury sentences Timothy McVeigh to death for his part in the 1995 Oklahoma City bombing.
August 7 » Fine Air Flight 101 crashes after takeoff from Miami International Airport, killing five people.
August 31 » Diana, Princess of Wales, her companion Dodi Fayed and driver Henri Paul die in a car crash in Paris.
December 6 » A Russian Antonov An-124 Ruslan cargo plane crashes into an apartment complex near Irkutsk, Siberia, killing 67.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I15554.php : accessed March 12, 2026), "Arie Koolaard (1922-1997)".
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